CVE-2021-41413 : Security Advisory and Response

ok-file-formats master 2021-9-12 is affected by a buffer overflow vulnerability in specific functions.

Understanding CVE-2021-41413

This CVE identifies a buffer overflow vulnerability in ok-file-formats master 2021-9-12.

What is CVE-2021-41413?

The vulnerability in ok-file-formats master 2021-9-12 leads to a buffer overflow in certain functions.

The Impact of CVE-2021-41413

The vulnerability allows attackers to trigger a buffer overflow in the affected functions, potentially leading to arbitrary code execution.

Technical Details of CVE-2021-41413

This section provides technical details on the CVE.

Vulnerability Description

A buffer overflow occurs in ok-file-formats master 2021-9-12 in functions ok_jpg_convert_data_unit_grayscale and ok_jpg_convert_YCbCr_to_RGB.

Affected Systems and Versions

Systems using ok-file-formats master 2021-9-12
Versions that include the vulnerable functions

Exploitation Mechanism

Attackers can exploit this vulnerability by crafting malicious input to trigger the buffer overflow, potentially gaining unauthorized access or executing arbitrary code.

Mitigation and Prevention

Protect systems against CVE-2021-41413 with these measures.

Immediate Steps to Take

Update to a patched version of ok-file-formats master.
Implement input validation to prevent buffer overflow.

Long-Term Security Practices

Regularly monitor and patch software vulnerabilities.
Conduct security audits to identify and mitigate similar issues.

Patching and Updates

Apply official patches from the vendor promptly to address this vulnerability.